Properties

Label 2-768-12.11-c1-0-16
Degree $2$
Conductor $768$
Sign $1$
Analytic cond. $6.13251$
Root an. cond. $2.47639$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.73·3-s − 2.82i·5-s + 4.89i·7-s + 2.99·9-s + 3.46·11-s − 4.89i·15-s + 8.48i·21-s − 3.00·25-s + 5.19·27-s + 2.82i·29-s − 4.89i·31-s + 5.99·33-s + 13.8·35-s − 8.48i·45-s − 16.9·49-s + ⋯
L(s)  = 1  + 1.00·3-s − 1.26i·5-s + 1.85i·7-s + 0.999·9-s + 1.04·11-s − 1.26i·15-s + 1.85i·21-s − 0.600·25-s + 1.00·27-s + 0.525i·29-s − 0.879i·31-s + 1.04·33-s + 2.34·35-s − 1.26i·45-s − 2.42·49-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 768 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(768\)    =    \(2^{8} \cdot 3\)
Sign: $1$
Analytic conductor: \(6.13251\)
Root analytic conductor: \(2.47639\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{768} (767, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 768,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.31831\)
\(L(\frac12)\) \(\approx\) \(2.31831\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - 1.73T \)
good5 \( 1 + 2.82iT - 5T^{2} \)
7 \( 1 - 4.89iT - 7T^{2} \)
11 \( 1 - 3.46T + 11T^{2} \)
13 \( 1 + 13T^{2} \)
17 \( 1 - 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 2.82iT - 29T^{2} \)
31 \( 1 + 4.89iT - 31T^{2} \)
37 \( 1 + 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 14.1iT - 53T^{2} \)
59 \( 1 - 10.3T + 59T^{2} \)
61 \( 1 + 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + 14T + 73T^{2} \)
79 \( 1 - 14.6iT - 79T^{2} \)
83 \( 1 + 17.3T + 83T^{2} \)
89 \( 1 - 89T^{2} \)
97 \( 1 - 2T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.812357515712544434123705176143, −9.279583949511853532075757120473, −8.616706418367673153960466053785, −8.257482664673325897802758815756, −6.88286165107540979374100367524, −5.76290138329858101247113134895, −4.89664487839473580130220161652, −3.83292364910677482169371624067, −2.54947405039769471395279578509, −1.49911110788580926479746368750, 1.36425066558286993075187059679, 2.89904344157900136338280407218, 3.75655952466733903797859199920, 4.41892135810656244908119157414, 6.33069846030775356871813541348, 7.11533425774731656430088601478, 7.45213944983189682014563506023, 8.578577146622862968058196661293, 9.629837680480124720927457136546, 10.32909760570079221481890994929

Graph of the $Z$-function along the critical line